Downstream Fuel System Lean - HO2S-12 (Bank 1 Sensor 2) *

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Trouble Ticket Help Requests for DTC P2096

Help Request

Posted

2004 Hyundai Elantra GLS 2.0L MIL Lamp onVIN: KMHDN46D74P2096: post cat fuel trim too lean bank1. car came in p2096 p2196 and p2270
upstream sensor reading about 2450mv -4000mv down stream
reading about 800mv changing down to 0 and back up with the
throttle We installed a walker 250-25012 upstream o2 sensor
and the same results if we unplug the upstream s...

2004 Hyundai Elantra GLS 2.0L MIL Lamp onVIN: KMHDN46D74P2096: post cat fuel trim too lean bank1. car came in p2096 p2196 and p2270
upstream sensor reading about 2450mv -4000mv down stream
reading about 800mv changing down to 0 and back up with the
throttle We installed a walker 250-25012 upstream o2 sensor
and the same results if we unplug the upstream s...